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2027970709 is a prime number
BaseRepresentation
bin111100011100000…
…0110000010010101
312020022222120211021
41320320012002111
513123130030314
6533122241141
7101153316022
oct17070060225
95208876737
102027970709
11950811456
124871b61b1
132641bb78b
1415349a549
15bd08a324
hex78e06095

2027970709 has 2 divisors, whose sum is σ = 2027970710. Its totient is φ = 2027970708.

The previous prime is 2027970701. The next prime is 2027970731. The reversal of 2027970709 is 9070797202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1942870084 + 85100625 = 44078^2 + 9225^2 .

It is a cyclic number.

It is not a de Polignac number, because 2027970709 - 23 = 2027970701 is a prime.

It is a super-2 number, since 2×20279707092 = 8225330393123925362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2027970701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013985354 + 1013985355.

It is an arithmetic number, because the mean of its divisors is an integer number (1013985355).

Almost surely, 22027970709 is an apocalyptic number.

It is an amenable number.

2027970709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2027970709 is an equidigital number, since it uses as much as digits as its factorization.

2027970709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 2027970709 is about 45032.9957808716. The cubic root of 2027970709 is about 1265.7673606090.

The spelling of 2027970709 in words is "two billion, twenty-seven million, nine hundred seventy thousand, seven hundred nine".